Think about the fundamentals of your product. Who is your key demographic? What market are you most suited for?
Tesla, for instance, could market their product on the grounds of being eco-friendly, on their high-tech premium product, or on the fun high-acceleration of their Roadster model, depending on the audience.
These are questions you should know the answer to from formulating your Product/Market fit.
Finding product/market fit a process you may undertake when conceptualizing your product and honing it. This process should allow you to understand your market in depth, plus the problems your product solves. This analysis over time should give you the knowledge to present the most important information about your product or service to your audience.
You can read more about determining product/market fit here.
Here's a short video of a startup struggling to find their product/market fit: